Add 72/27 and 4/7, Solve 2 18/27 + 4/7 as a fraction

Add 72/27 and 4/7

1^st number: 2 18/27, 2^nd number: 4/7

72/27 + 4/7 is 68/21.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
72/27 = 72 × 7/27 × 7 = 504/189
Likewise, for the 2nd fraction, since 7 × 27 = 189,
4/7 = 4 × 27/7 × 27 = 108/189
Add the two like fractions:
504/189 + 108/189 = 504 + 108/189 = 612/189
612/189 simplified gives 68/21
So, 72/27 + 4/7 = 68/21
In mixed form: 35/21

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